/**

 @Name：layui.table 表格操作
 @Author：贤心
 @License：MIT
    
 */
 
layui.define(['laytpl', 'laypage', 'layer', 'form', 'util','view','conf'], function(exports){
    "use strict";
    
    var $ = layui.$
    ,laytpl = layui.laytpl
    ,laypage = layui.laypage
    ,layer = layui.layer
    ,form = layui.form
    ,util = layui.util
    ,hint = layui.hint()
    ,device = layui.device()

    //nepadmin 增加扩展支持
    ,view = layui.view
    ,conf = layui.conf
  
    //外部接口
    ,table = {
      config: {
        checkName: 'LAY_CHECKED' //是否选中状态的字段名
        ,indexName: 'LAY_TABLE_INDEX' //下标索引名
      } //全局配置项
      ,cache: {} //数据缓存
      ,index: layui.table ? (layui.table.index + 10000) : 0
      
      //设置全局项
      ,set: function(options){
        var that = this;
        that.config = $.extend({}, that.config, options);
        return that;
      }
      
      //事件监听
      ,on: function(events, callback){
        return layui.onevent.call(this, MOD_NAME, events, callback);
      }
    }
    
    //操作当前实例
    ,thisTable = function(){
      var that = this
      ,options = that.config
      ,id = options.id;
      
      id && (thisTable.config[id] = options);
      
      return {
        reload: function(options){
          that.reload.call(that, options);
        }
        ,setColsWidth: function(){
          that.setColsWidth.call(that);
        }
        ,config: options
      }
    }
    
    //字符常量
    ,MOD_NAME = 'table', ELEM = '.layui-table', THIS = 'layui-this', SHOW = 'layui-show', HIDE = 'layui-hide', DISABLED = 'layui-disabled', NONE = 'layui-none'
    
    ,ELEM_VIEW = 'layui-table-view', ELEM_TOOL = '.layui-table-tool', ELEM_BOX = '.layui-table-box', ELEM_INIT = '.layui-table-init', ELEM_HEADER = '.layui-table-header', ELEM_BODY = '.layui-table-body', ELEM_MAIN = '.layui-table-main', ELEM_FIXED = '.layui-table-fixed', ELEM_FIXL = '.layui-table-fixed-l', ELEM_FIXR = '.layui-table-fixed-r', ELEM_TOTAL = '.layui-table-total', ELEM_PAGE = '.layui-table-page', ELEM_SORT = '.layui-table-sort', ELEM_EDIT = 'layui-table-edit', ELEM_HOVER = 'layui-table-hover'
    
    //thead区域模板
    ,TPL_HEADER = function(options){
      var rowCols = '{{#if(item2.colspan){}} colspan="{{item2.colspan}}"{{#} if(item2.rowspan){}} rowspan="{{item2.rowspan}}"{{#}}}';
      
      options = options || {};
      return ['<table cellspacing="0" cellpadding="0" border="0" class="layui-table" '
        ,'{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>'
        ,'<thead>'
        ,'{{# layui.each(d.data.cols, function(i1, item1){ }}'
          ,'<tr>'
          ,'{{# layui.each(item1, function(i2, item2){ }}'
            ,'{{# if(item2.fixed && item2.fixed !== "right"){ left = true; } }}'
            ,'{{# if(item2.fixed === "right"){ right = true; } }}'
            ,function(){
              if(options.fixed && options.fixed !== 'right'){
                return '{{# if(item2.fixed && item2.fixed !== "right"){ }}';
              }
              if(options.fixed === 'right'){
                return '{{# if(item2.fixed === "right"){ }}';
              }
              return '';
            }()
            ,'{{# var isSort = !(item2.colspan > 1) && item2.sort; }}'
            ,'<th data-field="{{ item2.field||i2 }}" {{# if(item2.minWidth){ }}data-minwidth="{{item2.minWidth}}"{{# } }} '+ rowCols +' {{# if(item2.unresize){ }}data-unresize="true"{{# } }} {{# if(isSort){ }}class="layui-unselect"{{# } }}>'
              ,'<div class="layui-table-cell laytable-cell-'
                ,'{{# if(item2.colspan > 1){ }}'
                  ,'group'
                ,'{{# } else { }}'
                  ,'{{d.index}}-{{item2.field || i2}}'
                  ,'{{# if(item2.type !== "normal"){ }}'
                    ,' laytable-cell-{{ item2.type }}'
                  ,'{{# } }}'
                ,'{{# } }}'
              ,'" {{#if(item2.align){}}align="{{item2.align}}"{{#}}}>'
                ,'{{# if(item2.type === "checkbox"){ }}' //复选框
                  ,'<input type="checkbox" name="layTableCheckbox" lay-skin="primary" lay-filter="layTableAllChoose" {{# if(item2[d.data.checkName]){ }}checked{{# }; }}>'
                ,'{{# } else { }}'
                  ,'<span>{{item2.title||""}}</span>'
                  ,'{{# if(isSort){ }}'
                    ,'<span class="layui-table-sort layui-inline"><i class="layui-edge layui-table-sort-asc" title="升序"></i><i class="layui-edge layui-table-sort-desc" title="降序"></i></span>'
                  ,'{{# } }}'
                ,'{{# } }}'
              ,'</div>'
            ,'</th>'
            ,(options.fixed ? '{{# }; }}' : '')
          ,'{{# }); }}'
          ,'</tr>'
        ,'{{# }); }}'
        ,'</thead>'
      ,'</table>'].join('');
    }
    
    //tbody区域模板
    ,TPL_BODY = ['<table cellspacing="0" cellpadding="0" border="0" class="layui-table" '
      ,'{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>'
      ,'<tbody></tbody>'
    ,'</table>'].join('')
    
    //主模板
    ,TPL_MAIN = ['<div class="layui-form layui-border-box {{d.VIEW_CLASS}}" lay-filter="LAY-table-{{d.index}}" style="{{# if(d.data.width){ }}width:{{d.data.width}}px;{{# } }} {{# if(d.data.height){ }}height:{{d.data.height}}px;{{# } }}">'
  
      ,'{{# if(d.data.toolbar){ }}'
      ,'<div class="layui-table-tool">'
        ,'<div class="layui-table-tool-temp">'
          ,'<div class="layui-inline" lay-event="add"><i class="layui-icon layui-icon-add-1"></i></div>'
          ,'<div class="layui-inline" lay-event="update"><i class="layui-icon layui-icon-edit"></i></div>'
          ,'<div class="layui-inline" lay-event="delete"><i class="layui-icon layui-icon-delete"></i></div>'
        ,'</div>'
        ,'<div class="layui-table-tool-self">'
          ,'<div class="layui-inline" title="筛选列" lay-event="LAYTABLE_COLS"><i class="layui-icon layui-icon-cols"></i></div>'
          ,'<div class="layui-inline" title="导出" lay-event="LAYTABLE_EXPORT"><i class="layui-icon layui-icon-export"></i></div>'
          ,'<div class="layui-inline" title="打印" lay-event="LAYTABLE_PRINT"><i class="layui-icon layui-icon-print"></i></div>'
        ,'</div>'
      ,'</div>'
      ,'{{# } }}'
      
      ,'<div class="layui-table-box">'
        ,'<div class="layui-table-init" style="background-color: #fff;">'
          ,'<i class="layui-icon layui-icon-loading layui-anim layui-anim-rotate layui-anim-loop"></i>'
        ,'</div>'
        
        ,'{{# var left, right; }}'
        ,'<div class="layui-table-header">'
          ,TPL_HEADER()
        ,'</div>'
        ,'<div class="layui-table-body layui-table-main">'
          ,TPL_BODY
        ,'</div>'
        
        ,'{{# if(left){ }}'
        ,'<div class="layui-table-fixed layui-table-fixed-l">'
          ,'<div class="layui-table-header">'
            ,TPL_HEADER({fixed: true}) 
          ,'</div>'
          ,'<div class="layui-table-body">'
            ,TPL_BODY
          ,'</div>'      
        ,'</div>'
        ,'{{# }; }}'
        
        ,'{{# if(right){ }}'
        ,'<div class="layui-table-fixed layui-table-fixed-r">'
          ,'<div class="layui-table-header">'
            ,TPL_HEADER({fixed: 'right'})
            ,'<div class="layui-table-mend"></div>'
          ,'</div>'
          ,'<div class="layui-table-body">'
            ,TPL_BODY
          ,'</div>'
        ,'</div>'
        ,'{{# }; }}'
      ,'</div>'
      
      ,'{{# if(d.data.totalRow){ }}'
        ,'<div class="layui-table-total">'
          ,'<table cellspacing="0" cellpadding="0" border="0" class="layui-table" '
          ,'{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>'
            ,'<tbody><tr><td><div class="layui-table-cell" style="visibility: hidden;">Total</div></td></tr></tbody>'
        , '</table>'
        ,'</div>'
      ,'{{# } }}'
      
      ,'{{# if(d.data.page){ }}'
      ,'<div class="layui-table-page">'
        ,'<div id="layui-table-page{{d.index}}"></div>'
      ,'</div>'
      ,'{{# } }}'
      
      ,'<style>'
      ,'{{# layui.each(d.data.cols, function(i1, item1){'
        ,'layui.each(item1, function(i2, item2){ }}'
          ,'.laytable-cell-{{d.index}}-{{item2.field||i2}}{ '
          ,'{{# if(item2.width){ }}'
            ,'width: {{item2.width}}px;'
          ,'{{# } }}'
          ,' }'
        ,'{{# });'
      ,'}); }}'
      ,'</style>'
    ,'</div>'].join('')
    
    ,_WIN = $(window)
    ,_DOC = $(document)
    
    //构造器
    ,Class = function(options){
      var that = this;
      that.index = ++table.index;
      that.config = $.extend({}, that.config, table.config, options);
      that.render();
    };
    
    //nepadmin 增加 createOptions 函数创建 options
    function createOptions(options){
        var req = view.createRequestParams(options);
        var def = $.extend({},conf.table);
        def.url = req.url;
        def.headers = req.headers;
        def.response = $.extend({},conf.response);
        def.response.statusCode = conf.response.statusCode.ok;
        options = $.extend(def,options);
        return options;
    }

    //默认配置
    Class.prototype.config = {
      limit: 10 //每页显示的数量
      ,loading: true //请求数据时，是否显示loading
      ,cellMinWidth: 60 //所有单元格默认最小宽度
      ,text: {
        none: '无数据'
      }
    };
  
    //表格渲染
    Class.prototype.render = function(){
      var that = this
      ,options = that.config;
  
      options.elem = $(options.elem);
      options.where = options.where || {};
      options.id = options.id || options.elem.attr('id') || options.index;
  
      //请求参数的自定义格式
      options.request = $.extend({
        pageName: 'page'
        ,limitName: 'limit'
      }, options.request)
      
      //响应数据的自定义格式
      options.response = $.extend({
        statusName: 'code'
        ,statusCode: 0
        ,msgName: 'msg'
        ,dataName: 'data'
        ,countName: 'count'
      }, options.response);
      
      //如果 page 传入 laypage 对象
      if(typeof options.page === 'object'){
        options.limit = options.page.limit || options.limit;
        options.limits = options.page.limits || options.limits;
        that.page = options.page.curr = options.page.curr || 1;
        delete options.page.elem;
        delete options.page.jump;
      }
      
      if(!options.elem[0]) return that;
      
      //高度铺满：full-差距值
      if(options.height && /^full-\d+$/.test(options.height)){
        that.fullHeightGap = options.height.split('-')[1];
        options.height = _WIN.height() - that.fullHeightGap;
      }
      
      //初始化一些参数
      that.setInit();
      
      //开始插入替代元素
      var othis = options.elem
      ,hasRender = othis.next('.' + ELEM_VIEW)
      
      //主容器
      ,reElem = that.elem = $(laytpl(TPL_MAIN).render({
        VIEW_CLASS: ELEM_VIEW
        ,data: options
        ,index: that.index //索引
      }));
      
      options.index = that.index;
      
      //生成替代元素
      hasRender[0] && hasRender.remove(); //如果已经渲染，则Rerender
      othis.after(reElem);
      
      //各级容器
      that.layTool = reElem.find(ELEM_TOOL);
      that.layBox = reElem.find(ELEM_BOX);
      that.layHeader = reElem.find(ELEM_HEADER);
      that.layMain = reElem.find(ELEM_MAIN);
      that.layBody = reElem.find(ELEM_BODY);
      that.layFixed = reElem.find(ELEM_FIXED);
      that.layFixLeft = reElem.find(ELEM_FIXL);
      that.layFixRight = reElem.find(ELEM_FIXR);
      that.layTotal = reElem.find(ELEM_TOTAL);
      that.layPage = reElem.find(ELEM_PAGE);
      
      //添加工具栏模板
      var toolbarHtml = $(options.toolbar).html() || '';
      if(options.toolbar && toolbarHtml){
        that.layTool.find('.layui-table-tool-temp').html(
          laytpl(toolbarHtml).render(options)
        );
      }
      
      //让表格平铺
      that.fullSize();
      
      //如果多级表头，则填补表头高度
      if(options.cols.length > 1){
        var th = that.layFixed.find(ELEM_HEADER).find('th');
        th.height(that.layHeader.height() - 1 - parseFloat(th.css('padding-top')) - parseFloat(th.css('padding-bottom')));
      }
      
      that.pullData(that.page); //请求数据
      that.events(); //事件
    };
    
    //根据列类型，定制化参数
    Class.prototype.initOpts = function(item){
      var that = this
      ,options = that.config
      ,initWidth = {
        checkbox: 48
        ,radio: 48
        ,space: 15
        ,numbers: 40
      };
      
      //让 type 参数兼容旧版本
      if(item.checkbox) item.type = "checkbox";
      if(item.space) item.type = "space";
      if(!item.type) item.type = "normal";
  
      if(item.type !== "normal"){
        item.unresize = true;
        item.width = item.width || initWidth[item.type];
      }
    };
    
    //初始化一些参数
    Class.prototype.setInit = function(type){
      var that = this
      ,options = that.config;
      
      options.clientWidth = options.width || function(){ //获取容器宽度
        //如果父元素宽度为0（一般为隐藏元素），则继续查找上层元素，直到找到真实宽度为止
        var getWidth = function(parent){
          var width, isNone;
          parent = parent || options.elem.parent()
          width = parent.width();
          try {
            isNone = parent.css('display') === 'none';
          } catch(e){}
          if(parent[0] && (!width || isNone)) return getWidth(parent.parent());
          return width;
        };
        return getWidth();
      }();
      
      if(type === 'width') return options.clientWidth;
      
      //初始化列参数
      layui.each(options.cols, function(i1, item1){
        layui.each(item1, function(i2, item2){
          var width
          ,minWidth = item2.minWidth || options.cellMinWidth; //最小宽度
  
          if(!item2){
            item1.splice(i2, 1);
            return;
          }
          
          that.initOpts(item2);
        });
      });
    };
    
    //动态分配列宽
    Class.prototype.setColsWidth = function(){
      var that = this
      ,options = that.config
      ,colNums = 0 //列个数
      ,autoColNums = 0 //自动列宽的列个数
      ,autoWidth = 0 //自动列分配的宽度
      ,countWidth = 0 //所有列总宽度和
      ,cntrWidth = that.setInit('width');
      
      //统计列个数
      that.eachCols(function(i, item){
        item.hide || colNums++;
      });
  
      //减去边框差和滚动条宽
      cntrWidth = cntrWidth - function(){
        return (options.skin === 'line' || options.skin === 'nob') ? 2 : colNums + 1;
      }() - that.getScrollWidth(that.layMain[0]) - 1;
  
      //计算自动分配的宽度
      var getAutoWidth = function(back){
        //遍历所有列
        layui.each(options.cols, function(i1, item1){
          layui.each(item1, function(i2, item2){
            var width = 0
            ,minWidth = item2.minWidth || options.cellMinWidth; //最小宽度
  
            if(!item2){
              item1.splice(i2, 1);
              return;
            }
  
            if(item2.colspan > 1) return;
  
            if(!back){
              width = item2.width || 0;
              if(/\d+%$/.test(width)){ //列宽为百分比
                width = Math.floor((parseFloat(width) / 100) * cntrWidth);
                width < minWidth && (width = minWidth);
              } else if(!width){ //列宽未填写
                item2.width = width = 0;
                autoColNums++;
              }
            } else if(autoWidth && autoWidth < minWidth){
              autoColNums--;
              width = minWidth;
            }
            
            if(item2.hide) width = 0;
            countWidth = countWidth + width;
          });
        });
  
        //如果未填充满，则将剩余宽度平分
        (cntrWidth > countWidth && autoColNums) && (
          autoWidth = (cntrWidth - countWidth) / autoColNums
        );
      }
      
      getAutoWidth();
      getAutoWidth(true); //重新检测分配的宽度是否低于最小列宽
      
      //记录自动列数
      that.autoColNums = autoColNums;
      
      //设置列宽
      that.eachCols(function(i3, item3){
        var minWidth = item3.minWidth || options.cellMinWidth
        ,field = item3.field || i3;
        if(item3.colspan > 1) return;
        
        //给位分配宽的列平均分配宽
        if(item3.width === 0){
          that.getCssRule(field, function(item){
            item.style.width = Math.floor(autoWidth >= minWidth ? autoWidth : minWidth) + 'px';
          });
        }
        
        //给设定百分比的列分配列宽
        else if(/\d+%$/.test(item3.width)){
          that.getCssRule(field, function(item){
            item.style.width = Math.floor((parseFloat(item3.width) / 100) * cntrWidth) + 'px';
          });
        }
      });
      
      //填补 Math.floor 造成的数差
      var patchNums = that.layMain.width() - that.getScrollWidth(that.layMain[0])
      - that.layMain.children('table').outerWidth();
  
      if(that.autoColNums && patchNums >= -colNums && patchNums <= colNums){
        var getEndTh = function(th){
          var field;
          th = th || that.layHeader.eq(0).find('thead th:last-child')
          field = th.data('field');
          if(!field && th.prev()[0]){
            return getEndTh(th.prev())
          }
          return th
        }
        ,th = getEndTh()
        ,field = th.data('field');
  
        that.getCssRule(field, function(item){
          var width = item.style.width || th.outerWidth();
          item.style.width = (parseFloat(width) + patchNums) + 'px';
          
          //二次校验，如果仍然出现横向滚动条（通常是 1px 的误差导致）
          if(that.layMain.height() - that.layMain.prop('clientHeight') > 0){
            item.style.width = (parseFloat(item.style.width) - 1) + 'px';
          }
        });
      }
      
      that.loading(!0);
    };
    
    //表格重载
    Class.prototype.reload = function(options){
      var that = this;
      if(that.config.data && that.config.data.constructor === Array) delete that.config.data;
      that.config = $.extend({}, that.config, options);
        //nepadmin 增加 createOptions 函数创建 options
        that.config = createOptions(that.config);
      that.render();
    };
    
    //页码
    Class.prototype.page = 1;
    
    //获得数据
    Class.prototype.pullData = function(curr){
      var that = this
      ,options = that.config
      ,request = options.request
      ,response = options.response
      ,sort = function(){
        if(typeof options.initSort === 'object'){
          that.sort(options.initSort.field, options.initSort.type);
        }
      };
      
      that.startTime = new Date().getTime(); //渲染开始时间
          
      if(options.url){ //Ajax请求
        var params = {};
        params[request.pageName] = curr;
        params[request.limitName] = options.limit;
        
        //参数
        var data = $.extend(params, options.where);
        if(options.contentType && options.contentType.indexOf("application/json") == 0){ //提交 json 格式
          data = JSON.stringify(data);
        }
  
        $.ajax({
          type: options.method || 'get'
          ,url: options.url
          ,contentType: options.contentType
          ,data: data
          ,dataType: 'json'
          ,headers: options.headers || {}
          ,success: function(res){
            //如果有数据解析的回调，则获得其返回的数据
            if(typeof options.parseData === 'function'){
              res = options.parseData(res) || res;
            }
            //检查数据格式是否符合规范
            if(res[response.statusName] != response.statusCode){
              that.renderForm();
              that.layMain.html('<div class="'+ NONE +'">'+ (
                res[response.msgName] ||
                ('返回的数据不符合规范，正确的成功状态码 ('+ response.statusName +') 应为：'+ response.statusCode)
              ) +'</div>');
            } else {
              that.renderData(res, curr, res[response.countName]), sort();
              options.time = (new Date().getTime() - that.startTime) + ' ms'; //耗时（接口请求+视图渲染）
            }
            that.setColsWidth();
            typeof options.done === 'function' && options.done(res, curr, res[response.countName]);
          }
          ,error: function(e, m){
            that.layMain.html('<div class="'+ NONE +'">数据接口请求异常：'+ m +'</div>');
            that.renderForm();
            that.setColsWidth();
          }
        });
      } else if(options.data && options.data.constructor === Array){ //已知数据
        var res = {}
        ,startLimit = curr*options.limit - options.limit
        
        res[response.dataName] = options.data.concat().splice(startLimit, options.limit);
        res[response.countName] = options.data.length;
  
        that.renderData(res, curr, options.data.length), sort();
        that.setColsWidth();
        typeof options.done === 'function' && options.done(res, curr, res[response.countName]);
      }
    };
    
    //遍历表头
    Class.prototype.eachCols = function(callback){
      var that = this;
      table.eachCols(null, callback, that.config.cols);
      return that;
    };
    
    //数据渲染
    Class.prototype.renderData = function(res, curr, count, sort){
      var that = this
      ,options = that.config
      ,data = res[options.response.dataName] || []
      ,trs = []
      ,trs_fixed = []
      ,trs_fixed_r = []
      
      //渲染视图
      ,render = function(){ //后续性能提升的重点
        var thisCheckedRowIndex;
        if(!sort && that.sortKey){
          return that.sort(that.sortKey.field, that.sortKey.sort, true);
        }
        layui.each(data, function(i1, item1){
          var tds = [], tds_fixed = [], tds_fixed_r = []
          ,numbers = i1 + options.limit*(curr - 1) + 1; //序号
          
          if(item1.length === 0) return;
          if(!sort){
            item1[table.config.indexName] = i1;
          }
          
          that.eachCols(function(i3, item3){
            var field = item3.field || i3
            ,content = item1[field];
            
            if(content === undefined || content === null) content = '';
            if(item3.colspan > 1) return;
            if(item3.hide) return;
            
            //td内容
            var td = ['<td data-field="'+ field +'" '+ function(){
              var attr = [];
              if(item3.edit) attr.push('data-edit="'+ item3.edit +'"'); //是否允许单元格编辑
              if(item3.align) attr.push('align="'+ item3.align +'"'); //对齐方式
              if(item3.templet) attr.push('data-content="'+ content +'"'); //自定义模板
              if(item3.toolbar) attr.push('data-off="true"'); //自定义模板
              if(item3.event) attr.push('lay-event="'+ item3.event +'"'); //自定义事件
              if(item3.style) attr.push('style="'+ item3.style +'"'); //自定义样式
              if(item3.minWidth) attr.push('data-minwidth="'+ item3.minWidth +'"'); //单元格最小宽度
              return attr.join(' ');
            }() +'>'
              ,'<div class="layui-table-cell laytable-cell-'+ function(){ //返回对应的CSS类标识
                var str = (options.index + '-' + field);
                return item3.type === 'normal' ? str 
                : (str + ' laytable-cell-' + item3.type);
              }() +'">' + function(){
                var tplData = $.extend(true, {
                  LAY_INDEX: numbers
                }, item1)
                ,checkName = table.config.checkName;
                
                //渲染不同风格的列
                switch(item3.type){
                  case 'checkbox':
                    return '<input type="checkbox" name="layTableCheckbox" lay-skin="primary" '+ function(){
                      //如果是全选
                      if(item3[checkName]){
                        item1[checkName] = item3[checkName];
                        return item3[checkName] ? 'checked' : '';
                      }
                      return tplData[checkName] ? 'checked' : '';
                    }() +'>';
                  break;
                  case 'radio':
                    if(tplData[checkName]){
                      thisCheckedRowIndex = i1;
                    }
                    return '<input type="radio" name="layTableRadio_'+ options.index +'" '
                    + (tplData[checkName] ? 'checked' : '') +' lay-type="layTableRadio">';
                  break;
                  case 'numbers':
                    return numbers;
                  break;
                };
                
                //解析工具列模板
                if(item3.toolbar){
                  return laytpl($(item3.toolbar).html()||'').render(tplData);
                }
                return item3.templet ? function(){
                  return typeof item3.templet === 'function' 
                    ? item3.templet(tplData)
                  : laytpl($(item3.templet).html() || String(content)).render(tplData) 
                }() : content;
              }()
            ,'</div></td>'].join('');
            
            tds.push(td);
            if(item3.fixed && item3.fixed !== 'right') tds_fixed.push(td);
            if(item3.fixed === 'right') tds_fixed_r.push(td);
          });
          
          trs.push('<tr data-index="'+ i1 +'">'+ tds.join('') + '</tr>');
          trs_fixed.push('<tr data-index="'+ i1 +'">'+ tds_fixed.join('') + '</tr>');
          trs_fixed_r.push('<tr data-index="'+ i1 +'">'+ tds_fixed_r.join('') + '</tr>');
        });
        
        //if(data.length === 0) return;
        
        that.layBody.scrollTop(0);
        that.layMain.find('.'+ NONE).remove();
        that.layMain.find('tbody').html(trs.join(''));
        that.layFixLeft.find('tbody').html(trs_fixed.join(''));
        that.layFixRight.find('tbody').html(trs_fixed_r.join(''));
  
        that.renderForm();
        typeof thisCheckedRowIndex === 'number' && that.setThisRowChecked(thisCheckedRowIndex);
        that.syncCheckAll();
        that.haveInit ? that.scrollPatch() : setTimeout(function(){
          that.scrollPatch();
        }, 50);
        that.haveInit = true;
        layer.close(that.tipsIndex);
      };
      
      that.key = options.id || options.index;
      table.cache[that.key] = data; //记录数据
      
      //显示隐藏分页栏
      that.layPage[(count == 0 || (data.length === 0 && curr == 1)) ? 'addClass' : 'removeClass'](HIDE);
      
      //排序
      if(sort){
        return render();
      }
      
      if(data.length === 0){
        that.renderForm();
        that.layFixed.remove();
        that.layMain.find('tbody').html('');
        that.layMain.find('.'+ NONE).remove();
        return that.layMain.append('<div class="'+ NONE +'">'+ options.text.none +'</div>');
      }
      
      render(); //渲染数据
      that.renderTotal(data); //数据合计
  
      //同步分页状态
      if(options.page){
        options.page = $.extend({
          elem: 'layui-table-page' + options.index
          ,count: count
          ,limit: options.limit
          ,limits: options.limits || [10,20,30,40,50,60,70,80,90]
          ,groups: 3
          ,layout: ['prev', 'page', 'next', 'skip', 'count', 'limit']
          ,prev: '<i class="layui-icon">&#xe603;</i>'
          ,next: '<i class="layui-icon">&#xe602;</i>'
          ,jump: function(obj, first){
            if(!first){
              //分页本身并非需要做以下更新，下面参数的同步，主要是因为其它处理统一用到了它们
              //而并非用的是 options.page 中的参数（以确保分页未开启的情况仍能正常使用）
              that.page = obj.curr; //更新页码
              options.limit = obj.limit; //更新每页条数
              
              that.loading();
              that.pullData(obj.curr);
            }
          }
        }, options.page);
        options.page.count = count; //更新总条数
        laypage.render(options.page);
      }
    };
    
    //数据合计行
    Class.prototype.renderTotal = function(data){
      var that = this
      ,options = that.config
      ,totalNums = {};
      
      if(!options.totalRow) return;
      
      layui.each(data, function(i1, item1){
        if(item1.length === 0) return;
        
        that.eachCols(function(i3, item3){
          var field = item3.field || i3
          ,content = item1[field];
  
          if(item3.totalRow){ 
            totalNums[field] = (totalNums[field] || 0) + parseFloat(content);
          }
        });
      });
      
      var tds = [];
      that.eachCols(function(i3, item3){
        var field = item3.field || i3;
        
        if(item3.hide) return;
        
        //td内容
        var td = ['<td data-field="'+ field +'" '+ function(){
          var attr = [];
          if(item3.align) attr.push('align="'+ item3.align +'"'); //对齐方式
          if(item3.style) attr.push('style="'+ item3.style +'"'); //自定义样式
          if(item3.minWidth) attr.push('data-minwidth="'+ item3.minWidth +'"'); //单元格最小宽度
          return attr.join(' ');
        }() +'>'
          ,'<div class="layui-table-cell laytable-cell-'+ function(){ //返回对应的CSS类标识
            var str = (options.index + '-' + field);
            return item3.type === 'normal' ? str 
            : (str + ' laytable-cell-' + item3.type);
          }() +'">' + function(){
            var text = item3.totalRowText || '';
            return item3.totalRow ? (totalNums[field] || text) : text;
          }()
        ,'</div></td>'].join('');
        
        tds.push(td);
      });
      
      that.layTotal.find('tbody').html('<tr>' + tds.join('') + '</tr>');
    };
    
    //找到对应的列元素
    Class.prototype.getColElem = function(parent, field){
      var that = this
      ,options = that.config;
      return parent.eq(0).find('.laytable-cell-'+ (options.index + '-' + field) + ':eq(0)');
    };
    
    //渲染表单
    Class.prototype.renderForm = function(type){
      form.render(type, 'LAY-table-'+ this.index);
    };
    
    //标记当前行选中状态
    Class.prototype.setThisRowChecked = function(index){
      var that = this
      ,options = that.config
      ,ELEM_CLICK = 'layui-table-click'
      ,tr = that.layBody.find('tr[data-index="'+ index +'"]');
      
      tr.addClass(ELEM_CLICK).siblings('tr').removeClass(ELEM_CLICK);
    };
    
    //数据排序
    Class.prototype.sort = function(th, type, pull, formEvent){
      var that = this
      ,field
      ,res = {}
      ,options = that.config
      ,filter = options.elem.attr('lay-filter')
      ,data = table.cache[that.key], thisData;
      
      //字段匹配
      if(typeof th === 'string'){
        that.layHeader.find('th').each(function(i, item){
          var othis = $(this)
          ,_field = othis.data('field');
          if(_field === th){
            th = othis;
            field = _field;
            return false;
          }
        });
      }
  
      try {
        var field = field || th.data('field');
        
        //如果欲执行的排序已在状态中，则不执行渲染
        if(that.sortKey && !pull){
          if(field === that.sortKey.field && type === that.sortKey.sort){
            return;
          }
        }
        
        var elemSort = that.layHeader.find('th .laytable-cell-'+ options.index +'-'+ field).find(ELEM_SORT);
        that.layHeader.find('th').find(ELEM_SORT).removeAttr('lay-sort'); //清除其它标题排序状态
        elemSort.attr('lay-sort', type || null);
        that.layFixed.find('th')
      } catch(e){
        return hint.error('Table modules: Did not match to field');
      }
      
      //记录排序索引和类型
      that.sortKey = {
        field: field
        ,sort: type
      };
  
      if(type === 'asc'){ //升序
        thisData = layui.sort(data, field);
      } else if(type === 'desc'){ //降序
        thisData = layui.sort(data, field, true);
      } else { //清除排序
        thisData = layui.sort(data, table.config.indexName);
        delete that.sortKey;
      }
      
      res[options.response.dataName] = thisData;
      that.renderData(res, that.page, that.count, true);
      
      if(formEvent){
        layui.event.call(th, MOD_NAME, 'sort('+ filter +')', {
          field: field
          ,type: type
        });
      }
    };
    
    //请求loading
    Class.prototype.loading = function(hide){
      var that = this
      ,options = that.config;
      if(options.loading){
        if(hide){
          that.layInit && that.layInit.remove();
          delete that.layInit;
          that.layBox.find(ELEM_INIT).remove()
        } else {
          that.layInit = $(['<div class="layui-table-init">'
            ,'<i class="layui-icon layui-icon-loading layui-anim layui-anim-rotate layui-anim-loop"></i>'
          ,'</div>'].join(''));
          that.layBox.append(that.layInit);
        }
      }
    };
    
    //同步选中值状态
    Class.prototype.setCheckData = function(index, checked){
      var that = this
      ,options = that.config
      ,thisData = table.cache[that.key];
      if(!thisData[index]) return;
      if(thisData[index].constructor === Array) return;
      thisData[index][options.checkName] = checked;
    };
    
    //同步全选按钮状态
    Class.prototype.syncCheckAll = function(){
      var that = this
      ,options = that.config
      ,checkAllElem = that.layHeader.find('input[name="layTableCheckbox"]')
      ,syncColsCheck = function(checked){
        that.eachCols(function(i, item){
          if(item.type === 'checkbox'){
            item[options.checkName] = checked;
          }
        });
        return checked;
      };
      
      if(!checkAllElem[0]) return;
  
      if(table.checkStatus(that.key).isAll){
        if(!checkAllElem[0].checked){
          checkAllElem.prop('checked', true);
          that.renderForm('checkbox');
        }
        syncColsCheck(true);
      } else {
        if(checkAllElem[0].checked){
          checkAllElem.prop('checked', false);
          that.renderForm('checkbox');
        }
        syncColsCheck(false);
      }
    };
    
    //获取cssRule
    Class.prototype.getCssRule = function(field, callback){
      var that = this
      ,style = that.elem.find('style')[0]
      ,sheet = style.sheet || style.styleSheet || {}
      ,rules = sheet.cssRules || sheet.rules;
      layui.each(rules, function(i, item){
        if(item.selectorText === ('.laytable-cell-'+ that.index +'-'+ field)){
          return callback(item), true;
        }
      });
    };
    
    //让表格铺满
    Class.prototype.fullSize = function(){
      var that = this
      ,options = that.config
      ,height = options.height, bodyHeight;
  
      if(that.fullHeightGap){
        height = _WIN.height() - that.fullHeightGap;
        if(height < 135) height = 135;
        that.elem.css('height', height);
      }
      
      if(!height) return;
  
      //减去列头区域的高度
      bodyHeight = parseFloat(height) - (that.layHeader.outerHeight() || 38); //此处的数字常量是为了防止容器处在隐藏区域无法获得高度的问题，暂时只对默认尺寸的表格做支持。
      
      //减去工具栏的高度
      if(options.toolbar){
        
        bodyHeight = bodyHeight - (that.layTool.outerHeight() || 50);
      }
      
      //减去统计朗的高度
      if(options.totalRow){
        bodyHeight = bodyHeight - (that.layTotal.outerHeight() || 40);
      }
  
      //减去分页栏的高度
      if(options.page){
        bodyHeight = bodyHeight - (that.layPage.outerHeight() || 41) - 2;
      }
  
      that.layMain.css('height', bodyHeight);
    };
    
    //获取滚动条宽度
    Class.prototype.getScrollWidth = function(elem){
      var width = 0;
      if(elem){
        width = elem.offsetWidth - elem.clientWidth;
      } else {
        elem = document.createElement('div');
        elem.style.width = '100px';
        elem.style.height = '100px';
        elem.style.overflowY = 'scroll';
  
        document.body.appendChild(elem);
        width = elem.offsetWidth - elem.clientWidth;
        document.body.removeChild(elem);
      }
      return width;
    };
    
    //滚动条补丁
    Class.prototype.scrollPatch = function(){
      var that = this
      ,layMainTable = that.layMain.children('table')
      ,scollWidth = that.layMain.width() - that.layMain.prop('clientWidth') //纵向滚动条宽度
      ,scollHeight = that.layMain.height() - that.layMain.prop('clientHeight') //横向滚动条高度
      ,getScrollWidth = that.getScrollWidth(that.layMain[0]) //获取主容器滚动条宽度，如果有的话
      ,outWidth = layMainTable.outerWidth() - that.layMain.width() //表格内容器的超出宽度
      
      //添加补丁
      ,addPatch = function(elem){
        if(scollWidth && scollHeight){
          elem = elem.eq(0);
          if(!elem.find('.layui-table-patch')[0]){
            var patchElem = $('<th class="layui-table-patch"><div class="layui-table-cell"></div></th>'); //补丁元素
            patchElem.find('div').css({
              width: scollWidth
            });
            elem.find('tr').append(patchElem);
          }
        } else {
          elem.find('.layui-table-patch').remove();
        }
      }
      
      addPatch(that.layHeader);
      addPatch(that.layTotal);
      
      //固定列区域高度
      var mainHeight = that.layMain.height()
      ,fixHeight = mainHeight - scollHeight;
      that.layFixed.find(ELEM_BODY).css('height', layMainTable.height() > fixHeight ? fixHeight : 'auto');
      
      //表格宽度小于容器宽度时，隐藏固定列
      that.layFixRight[outWidth > 0 ? 'removeClass' : 'addClass'](HIDE); 
      
      //操作栏
      that.layFixRight.css('right', scollWidth - 1); 
    };
  
    //事件处理
    Class.prototype.events = function(){
      var that = this
      ,options = that.config
      ,_BODY = $('body')
      ,dict = {}
      ,th = that.layHeader.find('th')
      ,resizing
      ,ELEM_CELL = '.layui-table-cell'
      ,filter = options.elem.attr('lay-filter');
      
      //工具栏操作事件
      that.layTool.on('click', '*[lay-event]', function(e){
        var othis = $(this)
        ,events = othis.attr('lay-event')
        ,openPanel = function(sets){
          var list = $(sets.list)
          ,panel = $('<ul class="layui-table-tool-panel"></ul>');
          
          panel.html(list);
          othis.find('.layui-table-tool-panel')[0] || othis.append(panel);
          that.renderForm();
          
          panel.on('click', function(e){
            layui.stope(e);
          });
          
          sets.done && sets.done(panel, list)
        };
        
        layui.stope(e);
        _DOC.trigger('table.tool.panel.remove');
        layer.close(that.tipsIndex);
        
        switch(events){
          case 'LAYTABLE_COLS':
            openPanel({
              list: function(){
                var lis = [];
                that.eachCols(function(i, item){
                  if(item.field && item.type == 'normal'){
                    lis.push('<li><input type="checkbox" name="'+ item.field +'" lay-skin="primary" '+ (item.hide ? '' : 'checked') +' title="'+ item.title +'" lay-filter="LAY_TABLE_TOOL_COLS"></li>');
                  }
                });
                return lis.join('');
              }()
              ,done: function(){
                form.on('checkbox(LAY_TABLE_TOOL_COLS)', function(obj){
                  layui.each(options.cols, function(i1, item1){
                    layui.each(item1, function(i2, item2){
                      if(item2.field === obj.elem.name){
                        item2.hide = !obj.elem.checked;
                        that.elem.find('*[data-field="'+ obj.elem.name +'"]')
                        [obj.elem.checked ? 'removeClass' : 'addClass'](HIDE);
                        
                        that.fullSize();
                        that.scrollPatch();
                        that.setColsWidth();
                      }
                    });
                  });
                });
              }
            });
          break;
          case 'LAYTABLE_EXPORT':
            if(device.ie){
              layer.tips('导出功能不支持 IE，请用 Chrome 等高级浏览器导出', this, {
                tips: 3
              })
            } else {
              openPanel({
                list: function(){
                  return [
                    '<li data-type="csv">导出到 Csv 文件</li>'
                    ,'<li data-type="xls">导出到 Excel 文件</li>'
                  ].join('')
                }()
                ,done: function(panel, list){
                  list.on('click', function(){
                    var type = $(this).data('type')
                    table.exportFile(options.id, null, type);
                  });
                }
              });
            }
          break;
          case 'LAYTABLE_PRINT':
            var printWin = window.open('打印窗口', '_blank')
            ,style = ['<style>'
              ,'body{font-size: 12px; color: #666;}'
              ,'table{width: 100%; border-collapse: collapse; border-spacing: 0;}'
              ,'th,td{line-height: 20px; padding: 9px 15px; border: 1px solid #ccc; text-align: left; font-size: 12px; color: #666;}'
              ,'*.layui-hide{display: none}'
            ,'</style>'].join('')
            ,html = $(that.layHeader.html());
            
            html.find('th.layui-table-patch').remove();
            html.append(that.layMain.find('table').html());
            
            printWin.document.write(style + html.prop('outerHTML'));
            printWin.document.close();
            printWin.print();
            printWin.close();
          break;
        }
        
        layui.event.call(this, MOD_NAME, 'toolbar('+ filter +')', $.extend({
          event: events
          ,config: options
        },{}));
      });
      
      //拖拽调整宽度    
      th.on('mousemove', function(e){
        var othis = $(this)
        ,oLeft = othis.offset().left
        ,pLeft = e.clientX - oLeft;
        if(othis.attr('colspan') > 1 || othis.data('unresize') || dict.resizeStart){
          return;
        }
        dict.allowResize = othis.width() - pLeft <= 10; //是否处于拖拽允许区域
        _BODY.css('cursor', (dict.allowResize ? 'col-resize' : ''));
      }).on('mouseleave', function(){
        var othis = $(this);
        if(dict.resizeStart) return;
        _BODY.css('cursor', '');
      }).on('mousedown', function(e){
        var othis = $(this);
        if(dict.allowResize){
          var field = othis.data('field');
          e.preventDefault();
          dict.resizeStart = true; //开始拖拽
          dict.offset = [e.clientX, e.clientY]; //记录初始坐标
          
          that.getCssRule(field, function(item){
            var width = item.style.width || othis.outerWidth();
            dict.rule = item;
            dict.ruleWidth = parseFloat(width);
            dict.minWidth = othis.data('minwidth') || options.cellMinWidth;
          });
        }
      });
      
      //拖拽中
      _DOC.on('mousemove', function(e){
        if(dict.resizeStart){
          e.preventDefault();
          if(dict.rule){
            var setWidth = dict.ruleWidth + e.clientX - dict.offset[0];
            if(setWidth < dict.minWidth) setWidth = dict.minWidth;
            dict.rule.style.width = setWidth + 'px';
            layer.close(that.tipsIndex);
          }
          resizing = 1
        }
      }).on('mouseup', function(e){
        if(dict.resizeStart){
          dict = {};
          _BODY.css('cursor', '');
          that.scrollPatch();
        }
        if(resizing === 2){
          resizing = null;
        }
      });
      
      //排序
      th.on('click', function(e){
        var othis = $(this)
        ,elemSort = othis.find(ELEM_SORT)
        ,nowType = elemSort.attr('lay-sort')
        ,type;
  
        if(!elemSort[0] || resizing === 1) return resizing = 2;      
        
        if(nowType === 'asc'){
          type = 'desc';
        } else if(nowType === 'desc'){
          type = null;
        } else {
          type = 'asc';
        }
        that.sort(othis, type, null, true);
      }).find(ELEM_SORT+' .layui-edge ').on('click', function(e){
        var othis = $(this)
        ,index = othis.index()
        ,field = othis.parents('th').eq(0).data('field')
        layui.stope(e);
        if(index === 0){
          that.sort(field, 'asc', null, true);
        } else {
          that.sort(field, 'desc', null, true);
        }
      });
      
      //数据行中的事件监听返回的公共对象成员
      var commonMember = function(sets){
        var othis = $(this)
        ,index = othis.parents('tr').eq(0).data('index')
        ,tr = that.layBody.find('tr[data-index="'+ index +'"]')
        ,data = table.cache[that.key][index];
        
        return $.extend({
          tr: tr //行元素
          ,data: table.clearCacheKey(data) //当前行数据
          ,del: function(){ //删除行数据
            table.cache[that.key][index] = [];
            tr.remove();
            that.scrollPatch();
          }
          ,update: function(fields){ //修改行数据
            fields = fields || {};
            layui.each(fields, function(key, value){
              if(key in data){
                var templet, td = tr.children('td[data-field="'+ key +'"]');
                data[key] = value;
                that.eachCols(function(i, item2){
                  if(item2.field == key && item2.templet){
                    templet = item2.templet;
                  }
                });
                td.children(ELEM_CELL).html(function(){
                  return templet ? function(){
                    return typeof templet === 'function' 
                      ? templet(data)
                    : laytpl($(templet).html() || value).render(data)
                  }() : value;
                }());
                td.data('content', value);
              }
            });
          }
        }, sets);
      };
      
      //复选框选择
      that.elem.on('click', 'input[name="layTableCheckbox"]+', function(){ //替代元素的 click 事件
        var checkbox = $(this).prev()
        ,childs = that.layBody.find('input[name="layTableCheckbox"]')
        ,index = checkbox.parents('tr').eq(0).data('index')
        ,checked = checkbox[0].checked
        ,isAll = checkbox.attr('lay-filter') === 'layTableAllChoose';
        
        //全选
        if(isAll){
          childs.each(function(i, item){
            item.checked = checked;
            that.setCheckData(i, checked);
          });
          that.syncCheckAll();
          that.renderForm('checkbox');
        } else {
          that.setCheckData(index, checked);
          that.syncCheckAll();
        }
        layui.event.call(this, MOD_NAME, 'checkbox('+ filter +')', commonMember.call(this, {
          checked: checked
          ,type: isAll ? 'all' : 'one'
        }));
      });
      
      //单选框选择
      that.elem.on('click', 'input[lay-type="layTableRadio"]+', function(){
        var radio = $(this).prev()
        ,checked = radio[0].checked
        ,thisData = table.cache[that.key]
        ,index = radio.parents('tr').eq(0).data('index')
        
        //重置数据单选属性
        layui.each(thisData, function(i, item){
          if(index === i){
            item.LAY_CHECKED = true;
          } else {
            delete item.LAY_CHECKED;
          }
        });
        that.setThisRowChecked(index);
        
        layui.event.call(this, MOD_NAME, 'radio('+ filter +')', commonMember.call(this, {
          checked: checked
        }));
      });
      
      //行事件
      that.layBody.on('mouseenter', 'tr', function(){ //鼠标移入行
        var othis = $(this)
        ,index = othis.index();
        that.layBody.find('tr:eq('+ index +')').addClass(ELEM_HOVER)
      }).on('mouseleave', 'tr', function(){ //鼠标移出行
        var othis = $(this)
        ,index = othis.index();
        that.layBody.find('tr:eq('+ index +')').removeClass(ELEM_HOVER)
      }).on('click', 'tr', function(){ //单击行
        setRowEvent.call(this, 'row');
      }).on('dblclick', 'tr', function(){ //双击行
        setRowEvent.call(this, 'rowDouble');
      });
      
      //创建行单击、双击事件监听
      var setRowEvent = function(eventType){
        var othis = $(this);
        layui.event.call(this,
          MOD_NAME, eventType + '('+ filter +')'
          ,commonMember.call(othis.children('td')[0])
        );
      };
      
      //单元格编辑
      that.layBody.on('change', '.'+ELEM_EDIT, function(){
        var othis = $(this)
        ,value = this.value
        ,field = othis.parent().data('field')
        ,index = othis.parents('tr').eq(0).data('index')

        //nepadmin 记录上一次的VALUE
        ,cacheVal = table.cache[that.key][index][field]
        
        ,data = table.cache[that.key][index];

        data[field] = value; //更新缓存中的值
        
        /*
        nepadmin 增加 edit 返回的参数 prev，实现回退

        layui.event.call(this, MOD_NAME, 'edit('+ filter +')', commonMember.call(this, {
          value: value
          ,field: field
        }));
        */
        layui.event.call(this, MOD_NAME, 'edit('+ filter +')', commonMember.call(this, {
            value: value
            ,field: field
            ,prev:function(){
                othis.val(cacheVal);
                table.cache[that.key][index][field] = cacheVal;
            }
        }));

      }).on('blur', '.'+ELEM_EDIT, function(){
        var templet
        ,othis = $(this)
        ,field = othis.parent().data('field')
        ,index = othis.parents('tr').eq(0).data('index')
        ,data = table.cache[that.key][index];
        that.eachCols(function(i, item){
          if(item.field == field && item.templet){
            templet = item.templet;
          }
        });
        othis.siblings(ELEM_CELL).html(function(value){
          return templet ? function(){
            return typeof templet === 'function' 
              ? templet(data)
            : laytpl($(templet).html() || this.value).render(data)
          }() : value;
        }(this.value));
        othis.parent().data('content', this.value);
        othis.remove();
      });
      
      //单元格单击事件
      that.layBody.on('click', 'td', function(){
        var othis = $(this)
        ,field = othis.data('field')
        ,editType = othis.data('edit')
        ,elemCell = othis.children(ELEM_CELL);
        
        if(othis.data('off')) return;
        
        //显示编辑表单
        if(editType){
          var input = $('<input class="layui-input '+ ELEM_EDIT +'">');
          input[0].value = othis.data('content') || elemCell.text();
          othis.find('.'+ELEM_EDIT)[0] || othis.append(input);
          input.focus();
          return;
        }
      }).on('mouseenter', 'td', function(){
        gridExpand.call(this)
      }).on('mouseleave', 'td', function(){
         gridExpand.call(this, 'hide');
      });
      
      //单元格展开图标
      var ELEM_GRID = 'layui-table-grid', ELEM_GRID_DOWN = 'layui-table-grid-down', ELEM_GRID_PANEL = 'layui-table-grid-panel'
      ,gridExpand = function(hide){
        var othis = $(this)
        ,elemCell = othis.children(ELEM_CELL);
        
        if(hide){
          othis.find('.layui-table-grid-down').remove();
        } else if(elemCell.prop('scrollWidth') > elemCell.outerWidth()){
          if(elemCell.find('.'+ ELEM_GRID_DOWN)[0]) return;
          othis.append('<div class="'+ ELEM_GRID_DOWN +'"><i class="layui-icon layui-icon-down"></i></div>');
        }
      };
      
      //单元格展开事件
      that.layBody.on('click', '.'+ ELEM_GRID_DOWN, function(){
        var othis = $(this)
        ,td = othis.parent()
        ,elemCell = td.children(ELEM_CELL);
        
        that.tipsIndex = layer.tips([
          '<div class="layui-table-tips-main" style="margin-top: -'+ (elemCell.height() + 16) +'px;'+ function(){
            if(options.size === 'sm'){
              return 'padding: 4px 15px; font-size: 12px;';
            }
            if(options.size === 'lg'){
              return 'padding: 14px 15px;';
            }
            return '';
          }() +'">'
            ,elemCell.html()
          ,'</div>'
          ,'<i class="layui-icon layui-table-tips-c layui-icon-close"></i>'
        ].join(''), elemCell[0], {
          tips: [3, '']
          ,time: -1
          ,anim: -1
          ,maxWidth: (device.ios || device.android) ? 300 : that.elem.width()/2
          ,isOutAnim: false
          ,skin: 'layui-table-tips'
          ,success: function(layero, index){
            layero.find('.layui-table-tips-c').on('click', function(){
              layer.close(index);
            });
          }
        });
      });
      
      //行工具条操作事件
      that.layBody.on('click', '*[lay-event]', function(){
        var othis = $(this)
        ,index = othis.parents('tr').eq(0).data('index');
        layui.event.call(this, MOD_NAME, 'tool('+ filter +')', commonMember.call(this, {
          event: othis.attr('lay-event')
        }));
        that.setThisRowChecked(index);
      });
      
      //同步滚动条
      that.layMain.on('scroll', function(){
        var othis = $(this)
        ,scrollLeft = othis.scrollLeft()
        ,scrollTop = othis.scrollTop();
        
        that.layHeader.scrollLeft(scrollLeft);
        that.layTotal.scrollLeft(scrollLeft);
        that.layFixed.find(ELEM_BODY).scrollTop(scrollTop);
        
        layer.close(that.tipsIndex);
      });
      
      //全局点击
      _DOC.on('click', function(){
        _DOC.trigger('table.remove.tool.panel');
      });
      
      //工具面板移除事件
      _DOC.on('table.remove.tool.panel', function(){
        $('.layui-table-tool-panel').remove();
      });
      
      //自适应
      _WIN.on('resize', function(){
         that.fullSize();
         that.scrollPatch();
         that.setColsWidth();
      });
    };
    
    //初始化
    table.init = function(filter, settings){
      settings = settings || {};
      var that = this
      ,elemTable = filter ? $('table[lay-filter="'+ filter +'"]') : $(ELEM + '[lay-data]')
      ,errorTips = 'Table element property lay-data configuration item has a syntax error: ';
  
      //遍历数据表格
      elemTable.each(function(){
        var othis = $(this), tableData = othis.attr('lay-data');
        
        try{
          tableData = new Function('return '+ tableData)();
        } catch(e){
          hint.error(errorTips + tableData)
        }
        
        var cols = [], options = $.extend({
          elem: this
          ,cols: []
          ,data: []
          ,skin: othis.attr('lay-skin') //风格
          ,size: othis.attr('lay-size') //尺寸
          ,even: typeof othis.attr('lay-even') === 'string' //偶数行背景
        }, table.config, settings, tableData);
        
        filter && othis.hide();
        
        //获取表头数据
        othis.find('thead>tr').each(function(i){
          options.cols[i] = [];
          $(this).children().each(function(ii){
            var th = $(this), itemData = th.attr('lay-data');
            
            try{
              itemData = new Function('return '+ itemData)();
            } catch(e){
              return hint.error(errorTips + itemData)
            }
            
            var row = $.extend({
              title: th.text()
              ,colspan: th.attr('colspan') || 0 //列单元格
              ,rowspan: th.attr('rowspan') || 0 //行单元格
            }, itemData);
  
            if(row.colspan < 2) cols.push(row);
            options.cols[i].push(row);
          });
        });
  
        //获取表体数据
        othis.find('tbody>tr').each(function(i1){
          var tr = $(this), row = {};
          //如果定义了字段名
          tr.children('td').each(function(i2, item2){
            var td = $(this)
            ,field = td.data('field');
            if(field){
              return row[field] = td.html();
            }
          });
          //如果未定义字段名
          layui.each(cols, function(i3, item3){
            var td = tr.children('td').eq(i3);
            row[item3.field] = td.html();
          });
          options.data[i1] = row;
        });
        table.render(options);
      });
  
      return that;
    };
    
    //记录所有实例配置信息
    thisTable.config = {};
    
    //遍历表头
    table.eachCols = function(id, callback, cols){
      var config = thisTable.config[id] || {}
      ,arrs = [], index = 0;
      
      cols = $.extend(true, [], cols || config.cols);
  
      //重新整理表头结构
      layui.each(cols, function(i1, item1){
        layui.each(item1, function(i2, item2){
          //如果是组合列，则捕获对应的子列
          if(item2.colspan > 1){
            var childIndex = 0;
            index++
            item2.CHILD_COLS = [];
            layui.each(cols[i1 + 1], function(i22, item22){
              if(item22.PARENT_COL || childIndex == item2.colspan) return;
              item22.PARENT_COL = index;
              item2.CHILD_COLS.push(item22);
              childIndex = childIndex + (item22.colspan > 1 ? item22.colspan : 1);
            });
          }
          if(item2.PARENT_COL) return; //如果是子列，则不进行追加，因为已经存储在父列中
          arrs.push(item2)
        });
      });
  
      //重新遍历列，如果有子列，则进入递归
      var eachArrs = function(obj){
        layui.each(obj || arrs, function(i, item){
          if(item.CHILD_COLS) return eachArrs(item.CHILD_COLS);
          callback(i, item);
        });
      };
      
      eachArrs();
    };
    
    //表格选中状态
    table.checkStatus = function(id){
      var nums = 0
      ,invalidNum = 0
      ,arr = []
      ,data = table.cache[id] || [];
      //计算全选个数
      layui.each(data, function(i, item){
        if(item.constructor === Array){
          invalidNum++; //无效数据，或已删除的
          return;
        }
        if(item[table.config.checkName]){
          nums++;
          arr.push(table.clearCacheKey(item));
        }
      });
      return {
        data: arr //选中的数据
        ,isAll: data.length ? (nums === (data.length - invalidNum)) : false //是否全选
      };
    };
    
    //表格导出
    table.exportFile = function(id, data, type){
      data = data || table.clearCacheKey(table.cache[id]);
      type = type || 'csv';
      
      var config = thisTable.config[id] || {}
      ,textType = ({
        csv: 'text/csv'
        ,xls: 'application/vnd.ms-excel'
      })[type]
      ,alink = document.createElement("a");
      
      if(device.ie) return hint.error('IE_NOT_SUPPORT_EXPORTS');
      
      alink.href = 'data:'+ textType +';charset=utf-8,\ufeff'+ encodeURIComponent(function(){
        var dataTitle = [], dataMain = [];
        layui.each(data, function(i1, item1){
          var vals = [];
          if(typeof id === 'object'){ //ID直接为表头数据
            layui.each(id, function(i, item){
              i1 == 0 && dataTitle.push(item || '');
            });
            layui.each(table.clearCacheKey(item1), function(i2, item2){
              vals.push(item2);
            });
          } else {
            table.eachCols(id, function(i3, item3){
              if(item3.field && item3.type == 'normal' && !item3.hide){
                i1 == 0 && dataTitle.push(item3.title || '');
                vals.push(item1[item3.field]);
              }
            });
          }
          dataMain.push(vals.join(','))
        });
        
        return dataTitle.join(',') + '\r\n' + dataMain.join('\r\n');
      }());
      
      alink.download = (config.title || 'table_'+ (config.index || '')) + '.' + type; 
      document.body.appendChild(alink);
      alink.click();
      document.body.removeChild(alink); 
    };
    
    //表格重载
    table.reload = function(id, options){
      var config = thisTable.config[id];
      options = options || {};
      if(!config) return hint.error('The ID option was not found in the table instance');
      if(options.data && options.data.constructor === Array) delete config.data;
      return table.render($.extend(true, {}, config, options));
    };
   
    //核心入口
    table.render = function(options){
        //nepadmin 增加 createOptions 函数创建 options
        options = createOptions(options);


      var inst = new Class(options);
      return thisTable.call(inst);
    };
    
    //清除临时Key
    table.clearCacheKey = function(data){
      data = $.extend({}, data);
      delete data[table.config.checkName];
      delete data[table.config.indexName];
      return data;
    };
    
    //自动完成渲染
    table.init();
    
    exports(MOD_NAME, table);
  });
  
   
  